Serious Sam 3 Cannot Set Display: Mode Top

. This error often pops up when the game's default resolution or fullscreen settings aren't compatible with your current setup. Here are the most effective ways to fix it: 1. Manually Edit the Config File

Since you cannot access the in-game settings menu to change the resolution, you must force the game to start in a window through Steam. This bypasses the faulty fullscreen initialization. serious sam 3 cannot set display mode top

If the error appears when alt-tabbing or changing settings: serious sam 3 cannot set display mode top